Across
- 3. rutherford's model of the atom
- 4. neutral/no charge particle
- 5. negatively charged particle
- 6. quantum model of the atom
- 9. planetary model of the atom
- 11. bohr called electron's orbits-
- 13. all matter is made of-
- 15. solid sphere model of the atom
- 17. jj thomson's model of the atom
Down
- 1. jj thomson's experiment
- 2. discovered the nucleus and protons
- 7. discovered the electron
- 8. discovered that electrons are negatively charged
- 10. positively charged particle
- 12. the experiment rutherford performed
- 14. discovered the neutron
- 16. millikan's experiment